| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.knox.gateway.security; |
| |
| import java.io.Console; |
| import java.util.Arrays; |
| |
| import org.apache.knox.gateway.i18n.GatewaySpiMessages; |
| import org.apache.knox.gateway.i18n.messages.MessagesFactory; |
| |
| public class PromptUtils { |
| private static GatewaySpiMessages LOG = MessagesFactory.get( GatewaySpiMessages.class ); |
| |
| public static char[] challengeUserForEstablishingMaterSecret() { |
| char[] response = null; |
| Console c = System.console(); |
| if (c == null) { |
| LOG.unableToPromptForMasterUseKnoxCLI(); |
| System.err.println("No console."); |
| System.exit(1); |
| } |
| |
| boolean noMatch; |
| do { |
| char [] newPassword1 = c.readPassword("Enter master secret: "); |
| char [] newPassword2 = c.readPassword("Enter master secret again: "); |
| noMatch = ! Arrays.equals(newPassword1, newPassword2); |
| if (noMatch) { |
| c.format("Passwords don't match. Try again.%n"); |
| } else { |
| response = Arrays.copyOf(newPassword1, newPassword1.length); |
| } |
| Arrays.fill(newPassword1, ' '); |
| Arrays.fill(newPassword2, ' '); |
| } while (noMatch); |
| |
| return response; |
| } |
| |
| public static UsernamePassword challengeUserNamePassword(String prompt1, String prompt2) { |
| UsernamePassword response; |
| Console c = System.console(); |
| if (c == null) { |
| System.err.println("No console."); |
| System.exit(1); |
| } |
| |
| String username = c.readLine(prompt1 + ": "); |
| char [] pwd = c.readPassword(prompt2 + ": "); |
| response = new UsernamePassword(username, pwd); |
| |
| return response; |
| } |
| |
| public static char[] challengeForPassword(String prompt) { |
| char[] response; |
| Console c = System.console(); |
| if (c == null) { |
| System.err.println("No console."); |
| System.exit(1); |
| } |
| |
| response = c.readPassword(prompt + ": "); |
| |
| return response; |
| } |
| } |